Home / 673,200.12-1,008,762.21-331,251.05

Finding the Fourth Proportional to 673,200.12, 1,008,762.21 and 331,251.05

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Solution

The fourth proportional to 673,200.12, 1,008,762.21 and 331,251.05 is: 496,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,200.12 : 1,008,762.21 = 331,251.05 : x
  2. Step 2: Convert to fraction form
    673,200.12/1,008,762.21 = 331,251.05/x
  3. Step 3: Cross multiply
    673,200.12x = 1,008,762.21 × 331,251.05
  4. Step 4: Simplify right side
    673,200.12x = 334,153,540,841.65
  5. Step 5: Solve for x
    x = 334,153,540,841.65/673,200.12
  6. Step 6: Final answer
    x = 496,365.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.